According to the principles of numerical taxonomy, the necessity of transformation of function of test data in numerical classification was analyzed.
依据数量分类学原理对数量分类中试验数据的函数变换的必要性进行了分析。
Because of the different understands in the principles of biological taxonomy, it's devided into three branches distinctly, they are numerical taxonomy, cladistic taxonomy and evolutionary taxonomy.
由于对分类学原理的不同理解，分类学明显分为三大流派：数值分类学，分支分类学和进化分类学。
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